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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-30 08:47:41 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-30 08:47:41 +0200
commit44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2 (patch)
treeec97ee26c9715f8da24377e9cacc63261b0aa2ab /drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
parent40a4a5727f21a0e439d317aa99953e24467605eb (diff)
parent2d4df13c0f9ef56452b1d9a9016cb3946e17bfe5 (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next
Backmerge to catch up with 4.3. slightly more involved conflict in the irq code, but nothing beyond adjacent changes. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index 90044b254404..534fc04e80fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -43,7 +43,7 @@ static int amdgpu_ih_ring_alloc(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, adev->irq.ih.ring_size,
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_GTT, 0,
- NULL, &adev->irq.ih.ring_obj);
+ NULL, NULL, &adev->irq.ih.ring_obj);
if (r) {
DRM_ERROR("amdgpu: failed to create ih ring buffer (%d).\n", r);
return r;
@@ -98,18 +98,12 @@ int amdgpu_ih_ring_init(struct amdgpu_device *adev, unsigned ring_size,
/* add 8 bytes for the rptr/wptr shadows and
* add them to the end of the ring allocation.
*/
- adev->irq.ih.ring = kzalloc(adev->irq.ih.ring_size + 8, GFP_KERNEL);
+ adev->irq.ih.ring = pci_alloc_consistent(adev->pdev,
+ adev->irq.ih.ring_size + 8,
+ &adev->irq.ih.rb_dma_addr);
if (adev->irq.ih.ring == NULL)
return -ENOMEM;
- adev->irq.ih.rb_dma_addr = pci_map_single(adev->pdev,
- (void *)adev->irq.ih.ring,
- adev->irq.ih.ring_size,
- PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(adev->pdev, adev->irq.ih.rb_dma_addr)) {
- dev_err(&adev->pdev->dev, "Failed to DMA MAP the IH RB page\n");
- kfree((void *)adev->irq.ih.ring);
- return -ENOMEM;
- }
+ memset((void *)adev->irq.ih.ring, 0, adev->irq.ih.ring_size + 8);
adev->irq.ih.wptr_offs = (adev->irq.ih.ring_size / 4) + 0;
adev->irq.ih.rptr_offs = (adev->irq.ih.ring_size / 4) + 1;
}
@@ -149,9 +143,9 @@ void amdgpu_ih_ring_fini(struct amdgpu_device *adev)
/* add 8 bytes for the rptr/wptr shadows and
* add them to the end of the ring allocation.
*/
- pci_unmap_single(adev->pdev, adev->irq.ih.rb_dma_addr,
- adev->irq.ih.ring_size + 8, PCI_DMA_BIDIRECTIONAL);
- kfree((void *)adev->irq.ih.ring);
+ pci_free_consistent(adev->pdev, adev->irq.ih.ring_size + 8,
+ (void *)adev->irq.ih.ring,
+ adev->irq.ih.rb_dma_addr);
adev->irq.ih.ring = NULL;
}
} else {